Kotlin Vs Java Which Is the Better Option for Android App Development.pdf

Kotlin Vs Java: Which Is the Better
Option for Android App Development?
Kotlin vs web development is one of the trending subjects these days.
When it comes to Android app development, Java app development
language is the one that first successes the mind of web development
coders. And, Java software development programming language is
everywhere. So, both app development and Kotlin offer strong
competition to each other. Thus, we have done a great comparison of
Kotlin vs Java app development programming language.
Java
App development is a programming language formed by James Gosling.
In this, we can generate any type of software development program, it
also supports any type of machine. It is in Windows, Linux operating
systems, and also for mobile app development.
Kotlin is a web development programming language created
by JetBrains. Kotlin was publicized in the Google I/O as the official
language of Android.
Features of java software development
• It has easy syntax with minimum characters which tens this be
easy to read and learn.
• It is a highly object-orientated language that helps software
developers to web development an object-oriented app
development with more flexibility and extensibility.
• It can be combined with object-oriented programming concepts like
Inheritance, Abstraction, Polymorphism, etc. As it will be available
in the library of app development.
• It has a rich API for XML parsing, networking, database
connectivity, and many from the open library like Apache, guava,
Gone, etc.
• It has software developers’ tools such as Eclipse and net beam
which provides easy coding in IDE and these web development
tools also support debugging.
• It has a wide range of open-source libraries with app development
frameworks such as maven, spring, etc.

• It has a lot of open community support which provides the sharing
of knowledge.
Kotlin
Kotlin is a statically entered app development programming language
for Java Virtual Machine (JVM) and JavaScript. Defined as a general-
purpose language, Kotlin presents functional web development features
to support Java interoperability. The Kotlin project was born out of the
purpose of heightened output. The software developers’ goal was to
increase the coding practice in a way that was equally practical and
effective.
Features of kotlin
• It reduces the total amount of overlapped codes.
• It can easily avoid common classes of errors including null pointer.
• it is interoperable with Java.
• It is a app developers tool friendly language as it can also use app
development IDE and android studios, etc.
• You can easily shift from java to kotlin.
We generate apps that show personalized app
developers ideas, opinions, and app development
users’ compatibility.
• Developed 20+ android apps using kotlin
• Android App using Java
• AR/VR App Development
• Native Android App Development
• IoT App Development using kotlin
Contact us
Differences between Kotlin vs Java
Null safe
Java
In Java, Null Pointer Exceptions reason huge prevention for web
developers. It allows operators to assign null to any variables but while

editing an object reference taking null value increases a null pointer
exception which the user wants to handle.
Kotlin
In Kotlin, by default, all kinds of variables are non-nullable (i.e. we can’t
allocate null values to any kind of variables/objects). If we try to allocate
or return null values, Kotlin code will fail during compile time. If we want
a variable to have a null value, we can declare as follows:
value num: Int? = null.
Extension function
Java
In Java web development, if we need to extend the functionality of the
current class, we need app developers to make a new class
and inherit the parent class. So, Extension functions are not available in
Java.
Kotlin
Kotlin offers software developers the facility to spread an existing class
with new web development functionality. We can make extend functions
by starting the name of a class to name of the new function.
Coroutines support
Java
In Java, whenever if we recruit a long-running network I/0 or CPU
Intensive operations, the matching thread will be jammed. In the android
app development, Android is single-threaded by default. Java offers the
facility to create many threads in the background and run but handling
them is a difficult task.
Kotlin
In Kotlin, we can generate many threads to run these long-running
rigorous operations but we have coroutines support, which will hang
execution at a certain point without blocking threads while performing
long-running intensive app development operations.

No checked exceptions
Java
In Java, we have checked exceptions support which generates software
developers declare and catch the exception which eventually leads to
strong code with good fault handling.
Kotlin
In Kotlin, we don’t have checked exceptions. So, app developers don’t
essential to declare or catch the exceptions, which have rewards and
drawbacks.
Data classes
Java
In Java, assume we need software developers to have a class that
desires to hold data but nobody else. For this we want to describe app
developers constructors, getter and setter methods, variables to store
data, hashcode (), equals () and toString (), functions.
Kotlin
In Kotlin, if we want to have classes that need app development to keep
data, we can declare a class with the keyword “data” in the class
definition then the compiler will take care of all of this work such as
making getter, constructors, setter methods for dissimilar fields.
Smart casts
Java
In Java app development, we need to check the kind of variables and
cast affording to our operation.
Kotlin
In Kotlin, smart casts will switch these casting payments with keyword
“is-checks” which will be checked for unchallengeable values and makes
an implicit casting.

Type inference
Java
In Java, we need app developers to require a type of each variable
openly while declaring.
Kotlin
In Kotlin, we don’t need web developers to require the type of each
variable based on the task it will handle. If we need software developers
to specify, we can do it.
Functional app development programming
Java
Java doesn’t have functional software development programming
support till Java 8 but whereas Android app development provisions the
only subsection of Java 8 structures.
Kotlin
Kotlin is a combination of procedural and functional software
development programming language which contains many useful
approaches such as operator overloading, lambda, lazy evaluation, and
higher-order functions, etc.
Merits and demerits of Kotlin
Merits
• Kotlin is short-lived than Java which indicates fewer amounts of
probabilities of bugs and errors.
• Kotlin has a lot of struggles with Android app development. Yet it is
also used in backend projects such as Spring 5.
• Moving from Java to Kotlin is fairly simple. All that needs app
developers to be complete is fixed the Kotlin plugin and contain it
in Gradle build files and connect on the “convert” option.
Demerits

• In place of a steep education curve while changing whole teams to
Kotlin because of the brief syntax of the web development
language.
• The slow rapidity of compiling in comparison with Java.
• A restricted number of developers of Kotlin indicates limited
learning resources and discovery it hard to figure out responses to
questions.
Merits and demerits of java
Merits
• Simple to learn and understand.
• Versatile, one can effortlessly run it in a virtual machine and
browser window. This is suitable while recycling code and updating
software.
• An outstanding alternative for cross-platform app development.
• Android tallies on Java for its web development functions. The
Android SDK contains most of the standard Java libraries.
Demerits
• One of the highest demerits of Java is that it causes problems with
the Android API pattern.
• As it is a long-winded app development language, larger codes are
essential by Java which comes with larger uncertainties of errors
and bugs.
• The rapidity of Java is much slower than most of the other
languages and desires a lot of storing capacity.
How can change from Java to Kotlin be helpful?
Kotlin is absolutely a modern answer to elder Java. Some app
developers features make Kotlin stand out from the crowd, as there are
many options offered.
Kotlin is concurrently treatable with Java web development. We can
have together Java and Kotlin code co-exist inside a single project. Both
codes can compile effortlessly and software development users are not
even talented to make out which portion of the code in Kotlin and which
portion in Java.

Kotlin and Java classes can be written concurrently. There is no
necessity to change the entire web development to Kotlin or opening a
software developers new project. Otherwise, small hunks of app
developers codes can be written in Kotlin and can be introduced as and
when required, without affecting the whole software development code.
Conclusion
Finally, it’s an overview of the differences Between Kotlin vs java. I hope
you will have a well understanding of these Kotlin vs java app
development languages after reading this Kotlin vs Java article. In my
view, we can proceed with Kotlin for Android app development without
disturbing the compiling time even though Java software development
has few advantages over Kotlin.
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Kotlin Vs Java Which Is the Better Option for Android App Development.pdf

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Kotlin Vs Java Which Is the Better Option for Android App Development.pdf